Milan: CIBJO President Gaetano Cavalieri will present the World Jewellery Confederations’ recently approved Responsible Sourcing Blue Book next Tuesday, April 23, 2019, to the full plenary
Milan: The Board of Directors of CIBJO, the World Jewellery Confederation, has approved the first edition of the Responsible Sourcing Book, which provides a framework
Milan: The six CIBJO Blue Books are definitive sets of grading standards and nomenclature for diamonds, coloured gemstones, pearls, coral, precious metals, and gemmological laboratories.
Milan: CIBJO, the World Jewellery Confederation, has released online its latest Blue Book, delineating acceptable trade practices and nomenclature for the coral industry and trade.
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